tests/strings/strings.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        tests/strings/strings.cpp
   3 // Purpose:     wxString unit test
   4 // Author:      Vadim Zeitlin, Wlodzimierz ABX Skiba
   5 // Created:     2004-04-19
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) 2004 Vadim Zeitlin, Wlodzimierz Skiba
   8 ///////////////////////////////////////////////////////////////////////////////
   9
  10 // ----------------------------------------------------------------------------
  11 // headers
  12 // ----------------------------------------------------------------------------
  13
  14 #include "testprec.h"
  15
  16 #ifdef __BORLANDC__
  17     #pragma hdrstop
  18 #endif
  19
  20 #ifndef WX_PRECOMP
  21     #include "wx/wx.h"
  22 #endif // WX_PRECOMP
  23
  24 // ----------------------------------------------------------------------------
  25 // test class
  26 // ----------------------------------------------------------------------------
  27
  28 class StringTestCase : public CppUnit::TestCase
  29 {
  30 public:
  31     StringTestCase();
  32
  33 private:
  34     CPPUNIT_TEST_SUITE( StringTestCase );
  35         CPPUNIT_TEST( String );
  36         CPPUNIT_TEST( PChar );
  37         CPPUNIT_TEST( Format );
  38         CPPUNIT_TEST( Constructors );
  39         CPPUNIT_TEST( StaticConstructors );
  40         CPPUNIT_TEST( Extraction );
  41         CPPUNIT_TEST( Trim );
  42         CPPUNIT_TEST( Find );
  43         CPPUNIT_TEST( Replace );
  44         CPPUNIT_TEST( Match );
  45         CPPUNIT_TEST( CaseChanges );
  46         CPPUNIT_TEST( Compare );
  47         CPPUNIT_TEST( CompareNoCase );
  48         CPPUNIT_TEST( Contains );
  49         CPPUNIT_TEST( ToLong );
  50         CPPUNIT_TEST( ToULong );
  51 #ifdef wxLongLong_t
  52         CPPUNIT_TEST( ToLongLong );
  53         CPPUNIT_TEST( ToULongLong );
  54 #endif // wxLongLong_t
  55         CPPUNIT_TEST( ToDouble );
  56         CPPUNIT_TEST( StringBuf );
  57         CPPUNIT_TEST( UTF8Buf );
  58         CPPUNIT_TEST( CStrDataTernaryOperator );
  59         CPPUNIT_TEST( CStrDataOperators );
  60         CPPUNIT_TEST( CStrDataImplicitConversion );
  61         CPPUNIT_TEST( ExplicitConversion );
  62     CPPUNIT_TEST_SUITE_END();
  63
  64     void String();
  65     void PChar();
  66     void Format();
  67     void Constructors();
  68     void StaticConstructors();
  69     void Extraction();
  70     void Trim();
  71     void Find();
  72     void Replace();
  73     void Match();
  74     void CaseChanges();
  75     void Compare();
  76     void CompareNoCase();
  77     void Contains();
  78     void ToLong();
  79     void ToULong();
  80 #ifdef wxLongLong_t
  81     void ToLongLong();
  82     void ToULongLong();
  83 #endif // wxLongLong_t
  84     void ToDouble();
  85     void StringBuf();
  86     void UTF8Buf();
  87     void CStrDataTernaryOperator();
  88     void DoCStrDataTernaryOperator(bool cond);
  89     void CStrDataOperators();
  90     void CStrDataImplicitConversion();
  91     void ExplicitConversion();
  92
  93     DECLARE_NO_COPY_CLASS(StringTestCase)
  94 };
  95
  96 // register in the unnamed registry so that these tests are run by default
  97 CPPUNIT_TEST_SUITE_REGISTRATION( StringTestCase );
  98
  99 // also include in it's own registry so that these tests can be run alone
 100 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( StringTestCase, "StringTestCase" );
 101
 102 StringTestCase::StringTestCase()
 103 {
 104 }
 105
 106 void StringTestCase::String()
 107 {
 108     wxString a, b, c;
 109
 110     a.reserve (128);
 111     b.reserve (128);
 112     c.reserve (128);
 113
 114     for (int i = 0; i < 2; ++i)
 115     {
 116         a = _T("Hello");
 117         b = _T(" world");
 118         c = _T("! How'ya doin'?");
 119         a += b;
 120         a += c;
 121         c = _T("Hello world! What's up?");
 122         CPPUNIT_ASSERT( c != a );
 123     }
 124 }
 125
 126 void StringTestCase::PChar()
 127 {
 128     wxChar a [128];
 129     wxChar b [128];
 130     wxChar c [128];
 131
 132     for (int i = 0; i < 2; ++i)
 133     {
 134         wxStrcpy (a, _T("Hello"));
 135         wxStrcpy (b, _T(" world"));
 136         wxStrcpy (c, _T("! How'ya doin'?"));
 137         wxStrcat (a, b);
 138         wxStrcat (a, c);
 139         wxStrcpy (c, _T("Hello world! What's up?"));
 140         CPPUNIT_ASSERT( wxStrcmp (c, a) != 0 );
 141     }
 142 }
 143
 144 void StringTestCase::Format()
 145 {
 146     wxString s1,s2;
 147     s1.Printf(_T("%03d"), 18);
 148     CPPUNIT_ASSERT( s1 == wxString::Format(_T("%03d"), 18) );
 149     s2.Printf(_T("Number 18: %s\n"), s1.c_str());
 150     CPPUNIT_ASSERT( s2 == wxString::Format(_T("Number 18: %s\n"), s1.c_str()) );
 151
 152     static const size_t lengths[] = { 1, 512, 1024, 1025, 2048, 4096, 4097 };
 153     for ( size_t n = 0; n < WXSIZEOF(lengths); n++ )
 154     {
 155         const size_t len = lengths[n];
 156
 157         wxString s(_T('Z'), len);
 158         CPPUNIT_ASSERT_EQUAL( len, wxString::Format(_T("%s"), s.c_str()).length());
 159     }
 160 }
 161
 162 void StringTestCase::Constructors()
 163 {
 164     CPPUNIT_ASSERT_EQUAL( "", wxString('Z', 0) );
 165     CPPUNIT_ASSERT_EQUAL( "Z", wxString('Z') );
 166     CPPUNIT_ASSERT_EQUAL( "ZZZZ", wxString('Z', 4) );
 167     CPPUNIT_ASSERT_EQUAL( "Hell", wxString("Hello", 4) );
 168     CPPUNIT_ASSERT_EQUAL( "Hello", wxString("Hello", 5) );
 169
 170 #if wxUSE_UNICODE
 171     CPPUNIT_ASSERT_EQUAL( L"", wxString(L'Z', 0) );
 172     CPPUNIT_ASSERT_EQUAL( L"Z", wxString(L'Z') );
 173     CPPUNIT_ASSERT_EQUAL( L"ZZZZ", wxString(L'Z', 4) );
 174     CPPUNIT_ASSERT_EQUAL( L"Hell", wxString(L"Hello", 4) );
 175     CPPUNIT_ASSERT_EQUAL( L"Hello", wxString(L"Hello", 5) );
 176 #endif // wxUSE_UNICODE
 177
 178     static const char *s = "?really!";
 179     const char *start = wxStrchr(s, 'r');
 180     const char *end = wxStrchr(s, '!');
 181     CPPUNIT_ASSERT_EQUAL( "really", wxString(start, end) );
 182
 183     // test if creating string from NULL C pointer works:
 184     CPPUNIT_ASSERT_EQUAL( "", wxString((const char *)NULL) );
 185 }
 186
 187 void StringTestCase::StaticConstructors()
 188 {
 189     CPPUNIT_ASSERT_EQUAL( "", wxString::FromAscii("") );
 190     CPPUNIT_ASSERT_EQUAL( "", wxString::FromAscii("Hello", 0) );
 191     CPPUNIT_ASSERT_EQUAL( "Hell", wxString::FromAscii("Hello", 4) );
 192     CPPUNIT_ASSERT_EQUAL( "Hello", wxString::FromAscii("Hello", 5) );
 193     CPPUNIT_ASSERT_EQUAL( "Hello", wxString::FromAscii("Hello") );
 194
 195     // FIXME: this doesn't work currently but should!
 196     //CPPUNIT_ASSERT_EQUAL( 1, wxString::FromAscii("", 1).length() );
 197
 198
 199     CPPUNIT_ASSERT_EQUAL( "", wxString::FromUTF8("") );
 200     CPPUNIT_ASSERT_EQUAL( "", wxString::FromUTF8("Hello", 0) );
 201     CPPUNIT_ASSERT_EQUAL( "Hell", wxString::FromUTF8("Hello", 4) );
 202     CPPUNIT_ASSERT_EQUAL( "Hello", wxString::FromUTF8("Hello", 5) );
 203     CPPUNIT_ASSERT_EQUAL( "Hello", wxString::FromUTF8("Hello") );
 204
 205     //CPPUNIT_ASSERT_EQUAL( 1, wxString::FromUTF8("", 1).length() );
 206 }
 207
 208 void StringTestCase::Extraction()
 209 {
 210     wxString s(_T("Hello, world!"));
 211
 212     CPPUNIT_ASSERT( wxStrcmp( s.c_str() , _T("Hello, world!") ) == 0 );
 213     CPPUNIT_ASSERT( wxStrcmp( s.Left(5).c_str() , _T("Hello") ) == 0 );
 214     CPPUNIT_ASSERT( wxStrcmp( s.Right(6).c_str() , _T("world!") ) == 0 );
 215     CPPUNIT_ASSERT( wxStrcmp( s(3, 5).c_str() , _T("lo, w") ) == 0 );
 216     CPPUNIT_ASSERT( wxStrcmp( s.Mid(3).c_str() , _T("lo, world!") ) == 0 );
 217     CPPUNIT_ASSERT( wxStrcmp( s.substr(3, 5).c_str() , _T("lo, w") ) == 0 );
 218     CPPUNIT_ASSERT( wxStrcmp( s.substr(3).c_str() , _T("lo, world!") ) == 0 );
 219
 220 #if wxUSE_UNICODE
 221     static const char *germanUTF8 = "Oberfl\303\244che";
 222     wxString strUnicode(wxString::FromUTF8(germanUTF8));
 223
 224     CPPUNIT_ASSERT( strUnicode.Mid(0, 10) == strUnicode );
 225     CPPUNIT_ASSERT( strUnicode.Mid(7, 2) == "ch" );
 226 #endif // wxUSE_UNICODE
 227
 228     wxString rest;
 229
 230     #define TEST_STARTS_WITH(prefix, correct_rest, result)                    \
 231         CPPUNIT_ASSERT_EQUAL(result, s.StartsWith(prefix, &rest));            \
 232         if ( result )                                                         \
 233             CPPUNIT_ASSERT_EQUAL(correct_rest, rest)
 234
 235     TEST_STARTS_WITH( _T("Hello"),           _T(", world!"),      true  );
 236     TEST_STARTS_WITH( _T("Hello, "),         _T("world!"),        true  );
 237     TEST_STARTS_WITH( _T("Hello, world!"),   _T(""),              true  );
 238     TEST_STARTS_WITH( _T("Hello, world!!!"), _T(""),              false );
 239     TEST_STARTS_WITH( _T(""),                _T("Hello, world!"), true  );
 240     TEST_STARTS_WITH( _T("Goodbye"),         _T(""),              false );
 241     TEST_STARTS_WITH( _T("Hi"),              _T(""),              false );
 242
 243     #undef TEST_STARTS_WITH
 244
 245     rest = "Hello world";
 246     CPPUNIT_ASSERT( rest.StartsWith("Hello ", &rest) );
 247     CPPUNIT_ASSERT_EQUAL("world", rest);
 248
 249     #define TEST_ENDS_WITH(suffix, correct_rest, result)                      \
 250         CPPUNIT_ASSERT_EQUAL(result, s.EndsWith(suffix, &rest));              \
 251         if ( result )                                                         \
 252             CPPUNIT_ASSERT_EQUAL(correct_rest, rest)
 253
 254     TEST_ENDS_WITH( _T(""),                 _T("Hello, world!"), true  );
 255     TEST_ENDS_WITH( _T("!"),                _T("Hello, world"),  true  );
 256     TEST_ENDS_WITH( _T(", world!"),         _T("Hello"),         true  );
 257     TEST_ENDS_WITH( _T("ello, world!"),     _T("H"),             true  );
 258     TEST_ENDS_WITH( _T("Hello, world!"),    _T(""),              true  );
 259     TEST_ENDS_WITH( _T("very long string"), _T(""),              false );
 260     TEST_ENDS_WITH( _T("?"),                _T(""),              false );
 261     TEST_ENDS_WITH( _T("Hello, world"),     _T(""),              false );
 262     TEST_ENDS_WITH( _T("Gello, world!"),    _T(""),              false );
 263
 264     #undef TEST_ENDS_WITH
 265 }
 266
 267 void StringTestCase::Trim()
 268 {
 269     #define TEST_TRIM( str , dir , result )  \
 270         CPPUNIT_ASSERT( wxString(str).Trim(dir) == result )
 271
 272     TEST_TRIM( _T("  Test  "),  true, _T("  Test") );
 273     TEST_TRIM( _T("    "),      true, _T("")       );
 274     TEST_TRIM( _T(" "),         true, _T("")       );
 275     TEST_TRIM( _T(""),          true, _T("")       );
 276
 277     TEST_TRIM( _T("  Test  "),  false, _T("Test  ") );
 278     TEST_TRIM( _T("    "),      false, _T("")       );
 279     TEST_TRIM( _T(" "),         false, _T("")       );
 280     TEST_TRIM( _T(""),          false, _T("")       );
 281
 282     #undef TEST_TRIM
 283 }
 284
 285 void StringTestCase::Find()
 286 {
 287     #define TEST_FIND( str , start , result )  \
 288         CPPUNIT_ASSERT( wxString(str).find(_T("ell"), start) == result );
 289
 290     TEST_FIND( _T("Well, hello world"),  0, 1              );
 291     TEST_FIND( _T("Well, hello world"),  6, 7              );
 292     TEST_FIND( _T("Well, hello world"),  9, wxString::npos );
 293
 294     #undef TEST_FIND
 295 }
 296
 297 void StringTestCase::Replace()
 298 {
 299     #define TEST_REPLACE( original , pos , len , replacement , result ) \
 300         { \
 301             wxString s = original; \
 302             s.replace( pos , len , replacement ); \
 303             CPPUNIT_ASSERT_EQUAL( result, s ); \
 304         }
 305
 306     TEST_REPLACE( _T("012-AWORD-XYZ"), 4, 5, _T("BWORD"),  _T("012-BWORD-XYZ") );
 307     TEST_REPLACE( _T("increase"),      0, 2, _T("de"),     _T("decrease")      );
 308     TEST_REPLACE( _T("wxWindow"),      8, 0, _T("s"),      _T("wxWindows")     );
 309     TEST_REPLACE( _T("foobar"),        3, 0, _T("-"),      _T("foo-bar")       );
 310     TEST_REPLACE( _T("barfoo"),        0, 6, _T("foobar"), _T("foobar")        );
 311
 312
 313     #define TEST_NULLCHARREPLACE( o , olen, pos , len , replacement , r, rlen ) \
 314         { \
 315             wxString s(o,olen); \
 316             s.replace( pos , len , replacement ); \
 317             CPPUNIT_ASSERT( s == wxString(r,rlen) ); \
 318         }
 319
 320     TEST_NULLCHARREPLACE( _T("null\0char"), 9, 5, 1, _T("d"),
 321                           _T("null\0dhar"), 9 );
 322
 323     #define TEST_WXREPLACE( o , olen, olds, news, all, r, rlen ) \
 324         { \
 325             wxString s(o,olen); \
 326             s.Replace( olds, news, all ); \
 327             CPPUNIT_ASSERT( s == wxString(r,rlen) ); \
 328         }
 329
 330     TEST_WXREPLACE( _T("null\0char"), 9, _T("c"), _T("de"), true,
 331                           _T("null\0dehar"), 10 );
 332
 333     TEST_WXREPLACE( _T("null\0dehar"), 10, _T("de"), _T("c"), true,
 334                           _T("null\0char"), 9 );
 335
 336     TEST_WXREPLACE( "life", 4, "f", "", false, "lie", 3 );
 337
 338     #undef TEST_WXREPLACE
 339     #undef TEST_NULLCHARREPLACE
 340     #undef TEST_REPLACE
 341 }
 342
 343 void StringTestCase::Match()
 344 {
 345     #define TEST_MATCH( s1 , s2 , result ) \
 346         CPPUNIT_ASSERT( wxString(s1).Matches(s2) == result )
 347
 348     TEST_MATCH( _T("foobar"),    _T("foo*"),   true  );
 349     TEST_MATCH( _T("foobar"),    _T("*oo*"),   true  );
 350     TEST_MATCH( _T("foobar"),    _T("*bar"),   true  );
 351     TEST_MATCH( _T("foobar"),    _T("??????"), true  );
 352     TEST_MATCH( _T("foobar"),    _T("f??b*"),  true  );
 353     TEST_MATCH( _T("foobar"),    _T("f?b*"),   false );
 354     TEST_MATCH( _T("foobar"),    _T("*goo*"),  false );
 355     TEST_MATCH( _T("foobar"),    _T("*foo"),   false );
 356     TEST_MATCH( _T("foobarfoo"), _T("*foo"),   true  );
 357     TEST_MATCH( _T(""),          _T("*"),      true  );
 358     TEST_MATCH( _T(""),          _T("?"),      false );
 359
 360     #undef TEST_MATCH
 361 }
 362
 363
 364 void StringTestCase::CaseChanges()
 365 {
 366     wxString s1(_T("Hello!"));
 367     wxString s1u(s1);
 368     wxString s1l(s1);
 369     s1u.MakeUpper();
 370     s1l.MakeLower();
 371
 372     CPPUNIT_ASSERT_EQUAL( _T("HELLO!"), s1u );
 373     CPPUNIT_ASSERT_EQUAL( _T("hello!"), s1l );
 374
 375     wxString s2u, s2l;
 376     s2u.MakeUpper();
 377     s2l.MakeLower();
 378
 379     CPPUNIT_ASSERT_EQUAL( "", s2u );
 380     CPPUNIT_ASSERT_EQUAL( "", s2l );
 381
 382
 383     wxString s3("good bye");
 384     CPPUNIT_ASSERT_EQUAL( "Good bye", s3.Capitalize() );
 385     s3.MakeCapitalized();
 386     CPPUNIT_ASSERT_EQUAL( "Good bye", s3 );
 387
 388     CPPUNIT_ASSERT_EQUAL( "Abc", wxString("ABC").Capitalize() );
 389
 390     CPPUNIT_ASSERT_EQUAL( "", wxString().Capitalize() );
 391 }
 392
 393 void StringTestCase::Compare()
 394 {
 395     wxString s1 = wxT("AHH");
 396     wxString eq = wxT("AHH");
 397     wxString neq1 = wxT("HAH");
 398     wxString neq2 = wxT("AH");
 399     wxString neq3 = wxT("AHHH");
 400     wxString neq4 = wxT("AhH");
 401
 402     CPPUNIT_ASSERT( s1 == eq );
 403     CPPUNIT_ASSERT( s1 != neq1 );
 404     CPPUNIT_ASSERT( s1 != neq2 );
 405     CPPUNIT_ASSERT( s1 != neq3 );
 406     CPPUNIT_ASSERT( s1 != neq4 );
 407
 408     CPPUNIT_ASSERT( s1 == wxT("AHH") );
 409     CPPUNIT_ASSERT( s1 != wxT("no") );
 410     CPPUNIT_ASSERT( s1 < wxT("AZ") );
 411     CPPUNIT_ASSERT( s1 <= wxT("AZ") );
 412     CPPUNIT_ASSERT( s1 <= wxT("AHH") );
 413     CPPUNIT_ASSERT( s1 > wxT("AA") );
 414     CPPUNIT_ASSERT( s1 >= wxT("AA") );
 415     CPPUNIT_ASSERT( s1 >= wxT("AHH") );
 416
 417     // test comparison with C strings in Unicode build (must work in ANSI as
 418     // well, of course):
 419     CPPUNIT_ASSERT( s1 == "AHH" );
 420     CPPUNIT_ASSERT( s1 != "no" );
 421     CPPUNIT_ASSERT( s1 < "AZ" );
 422     CPPUNIT_ASSERT( s1 <= "AZ" );
 423     CPPUNIT_ASSERT( s1 <= "AHH" );
 424     CPPUNIT_ASSERT( s1 > "AA" );
 425     CPPUNIT_ASSERT( s1 >= "AA" );
 426     CPPUNIT_ASSERT( s1 >= "AHH" );
 427
 428 //    wxString _s1 = wxT("A\0HH");
 429 //    wxString _eq = wxT("A\0HH");
 430 //    wxString _neq1 = wxT("H\0AH");
 431 //    wxString _neq2 = wxT("A\0H");
 432 //    wxString _neq3 = wxT("A\0HHH");
 433 //    wxString _neq4 = wxT("A\0hH");
 434     s1.insert(1,1,'\0');
 435     eq.insert(1,1,'\0');
 436     neq1.insert(1,1,'\0');
 437     neq2.insert(1,1,'\0');
 438     neq3.insert(1,1,'\0');
 439     neq4.insert(1,1,'\0');
 440
 441     CPPUNIT_ASSERT( s1 == eq );
 442     CPPUNIT_ASSERT( s1 != neq1 );
 443     CPPUNIT_ASSERT( s1 != neq2 );
 444     CPPUNIT_ASSERT( s1 != neq3 );
 445     CPPUNIT_ASSERT( s1 != neq4 );
 446 }
 447
 448 void StringTestCase::CompareNoCase()
 449 {
 450     wxString s1 = wxT("AHH");
 451     wxString eq = wxT("AHH");
 452     wxString eq2 = wxT("AhH");
 453     wxString eq3 = wxT("ahh");
 454     wxString neq = wxT("HAH");
 455     wxString neq2 = wxT("AH");
 456     wxString neq3 = wxT("AHHH");
 457
 458     #define CPPUNIT_CNCEQ_ASSERT(s1, s2) CPPUNIT_ASSERT( s1.CmpNoCase(s2) == 0)
 459     #define CPPUNIT_CNCNEQ_ASSERT(s1, s2) CPPUNIT_ASSERT( s1.CmpNoCase(s2) != 0)
 460
 461     CPPUNIT_CNCEQ_ASSERT( s1, eq );
 462     CPPUNIT_CNCEQ_ASSERT( s1, eq2 );
 463     CPPUNIT_CNCEQ_ASSERT( s1, eq3 );
 464
 465     CPPUNIT_CNCNEQ_ASSERT( s1, neq );
 466     CPPUNIT_CNCNEQ_ASSERT( s1, neq2 );
 467     CPPUNIT_CNCNEQ_ASSERT( s1, neq3 );
 468
 469
 470 //    wxString _s1 = wxT("A\0HH");
 471 //    wxString _eq = wxT("A\0HH");
 472 //    wxString _eq2 = wxT("A\0hH");
 473 //    wxString _eq3 = wxT("a\0hh");
 474 //    wxString _neq = wxT("H\0AH");
 475 //    wxString _neq2 = wxT("A\0H");
 476 //    wxString _neq3 = wxT("A\0HHH");
 477
 478     s1.insert(1,1,'\0');
 479     eq.insert(1,1,'\0');
 480     eq2.insert(1,1,'\0');
 481     eq3.insert(1,1,'\0');
 482     neq.insert(1,1,'\0');
 483     neq2.insert(1,1,'\0');
 484     neq3.insert(1,1,'\0');
 485
 486     CPPUNIT_CNCEQ_ASSERT( s1, eq );
 487     CPPUNIT_CNCEQ_ASSERT( s1, eq2 );
 488     CPPUNIT_CNCEQ_ASSERT( s1, eq3 );
 489
 490     CPPUNIT_CNCNEQ_ASSERT( s1, neq );
 491     CPPUNIT_CNCNEQ_ASSERT( s1, neq2 );
 492     CPPUNIT_CNCNEQ_ASSERT( s1, neq3 );
 493 }
 494
 495 void StringTestCase::Contains()
 496 {
 497     static const struct ContainsData
 498     {
 499         const wxChar *hay;
 500         const wxChar *needle;
 501         bool contains;
 502     } containsData[] =
 503     {
 504         { _T(""),       _T(""),         true  },
 505         { _T(""),       _T("foo"),      false },
 506         { _T("foo"),    _T(""),         true  },
 507         { _T("foo"),    _T("f"),        true  },
 508         { _T("foo"),    _T("o"),        true  },
 509         { _T("foo"),    _T("oo"),       true  },
 510         { _T("foo"),    _T("ooo"),      false },
 511         { _T("foo"),    _T("oooo"),     false },
 512         { _T("foo"),    _T("fooo"),     false },
 513     };
 514
 515     for ( size_t n = 0; n < WXSIZEOF(containsData); n++ )
 516     {
 517         const ContainsData& cd = containsData[n];
 518         CPPUNIT_ASSERT_EQUAL( cd.contains, wxString(cd.hay).Contains(cd.needle) );
 519     }
 520 }
 521
 522 // flags used in ToLongData.flags
 523 enum
 524 {
 525     Number_Ok       = 0,
 526     Number_Invalid  = 1,
 527     Number_Unsigned = 2,    // if not specified, works for signed conversion
 528     Number_Signed   = 4,    // if not specified, works for unsigned
 529     Number_LongLong = 8,    // only for long long tests
 530     Number_Long     = 16,   // only for long tests
 531 };
 532
 533 static const struct ToLongData
 534 {
 535     const wxChar *str;
 536 #ifdef wxLongLong_t
 537     wxLongLong_t value;
 538 #else
 539     long value;
 540 #endif // wxLongLong_t
 541     int flags;
 542
 543     long LValue() const { return value; }
 544     unsigned long ULValue() const { return value; }
 545 #ifdef wxLongLong_t
 546     wxLongLong_t LLValue() const { return value; }
 547     wxULongLong_t ULLValue() const { return (wxULongLong_t)value; }
 548 #endif // wxLongLong_t
 549
 550     bool IsOk() const { return !(flags & Number_Invalid); }
 551 } longData[] =
 552 {
 553     { _T("1"), 1, Number_Ok },
 554     { _T("0"), 0, Number_Ok },
 555     { _T("a"), 0, Number_Invalid },
 556     { _T("12345"), 12345, Number_Ok },
 557     { _T("--1"), 0, Number_Invalid },
 558
 559     { _T("-1"), -1, Number_Signed | Number_Long },
 560     // this is surprizing but consistent with strtoul() behaviour
 561     { _T("-1"), ULONG_MAX, Number_Unsigned | Number_Long },
 562
 563     // this must overflow, even with 64 bit long
 564     { _T("922337203685477580711"), 0, Number_Invalid },
 565
 566 #ifdef wxLongLong_t
 567     { _T("2147483648"), wxLL(2147483648), Number_LongLong },
 568     { _T("-2147483648"), wxLL(-2147483648), Number_LongLong | Number_Signed },
 569     { _T("9223372036854775808"), wxULL(9223372036854775808), Number_LongLong |
 570                                                              Number_Unsigned },
 571 #endif // wxLongLong_t
 572 };
 573
 574 void StringTestCase::ToLong()
 575 {
 576     long l;
 577     for ( size_t n = 0; n < WXSIZEOF(longData); n++ )
 578     {
 579         const ToLongData& ld = longData[n];
 580
 581         if ( ld.flags & (Number_LongLong | Number_Unsigned) )
 582             continue;
 583
 584         CPPUNIT_ASSERT_EQUAL( ld.IsOk(), wxString(ld.str).ToLong(&l) );
 585         if ( ld.IsOk() )
 586             CPPUNIT_ASSERT_EQUAL( ld.LValue(), l );
 587     }
 588 }
 589
 590 void StringTestCase::ToULong()
 591 {
 592     unsigned long ul;
 593     for ( size_t n = 0; n < WXSIZEOF(longData); n++ )
 594     {
 595         const ToLongData& ld = longData[n];
 596
 597         if ( ld.flags & (Number_LongLong | Number_Signed) )
 598             continue;
 599
 600         CPPUNIT_ASSERT_EQUAL( ld.IsOk(), wxString(ld.str).ToULong(&ul) );
 601         if ( ld.IsOk() )
 602             CPPUNIT_ASSERT_EQUAL( ld.ULValue(), ul );
 603     }
 604 }
 605
 606 #ifdef wxLongLong_t
 607
 608 void StringTestCase::ToLongLong()
 609 {
 610     wxLongLong_t l;
 611     for ( size_t n = 0; n < WXSIZEOF(longData); n++ )
 612     {
 613         const ToLongData& ld = longData[n];
 614
 615         if ( ld.flags & (Number_Long | Number_Unsigned) )
 616             continue;
 617
 618         CPPUNIT_ASSERT_EQUAL( ld.IsOk(), wxString(ld.str).ToLongLong(&l) );
 619         if ( ld.IsOk() )
 620             CPPUNIT_ASSERT_EQUAL( ld.LLValue(), l );
 621     }
 622 }
 623
 624 void StringTestCase::ToULongLong()
 625 {
 626     wxULongLong_t ul;
 627     for ( size_t n = 0; n < WXSIZEOF(longData); n++ )
 628     {
 629         const ToLongData& ld = longData[n];
 630
 631         if ( ld.flags & (Number_Long | Number_Signed) )
 632             continue;
 633
 634         CPPUNIT_ASSERT_EQUAL( ld.IsOk(), wxString(ld.str).ToULongLong(&ul) );
 635         if ( ld.IsOk() )
 636             CPPUNIT_ASSERT_EQUAL( ld.ULLValue(), ul );
 637     }
 638 }
 639
 640 #endif // wxLongLong_t
 641
 642 void StringTestCase::ToDouble()
 643 {
 644     double d;
 645     static const struct ToDoubleData
 646     {
 647         const wxChar *str;
 648         double value;
 649         bool ok;
 650     } doubleData[] =
 651     {
 652         { _T("1"), 1, true },
 653         { _T("1.23"), 1.23, true },
 654         { _T(".1"), .1, true },
 655         { _T("1."), 1, true },
 656         { _T("1.."), 0, false },
 657         { _T("0"), 0, true },
 658         { _T("a"), 0, false },
 659         { _T("12345"), 12345, true },
 660         { _T("-1"), -1, true },
 661         { _T("--1"), 0, false },
 662     };
 663
 664     // we need to use decimal point, not comma or whatever is its value for the
 665     // current locale
 666     wxSetlocale(LC_ALL, "C");
 667
 668     size_t n;
 669     for ( n = 0; n < WXSIZEOF(doubleData); n++ )
 670     {
 671         const ToDoubleData& ld = doubleData[n];
 672         CPPUNIT_ASSERT_EQUAL( ld.ok, wxString(ld.str).ToDouble(&d) );
 673         if ( ld.ok )
 674             CPPUNIT_ASSERT_EQUAL( ld.value, d );
 675     }
 676 }
 677
 678 void StringTestCase::StringBuf()
 679 {
 680     // check that buffer can be used to write into the string
 681     wxString s;
 682     wxStrcpy(wxStringBuffer(s, 10), _T("foo"));
 683
 684     CPPUNIT_ASSERT_EQUAL(3, s.length());
 685     CPPUNIT_ASSERT(_T('f') == s[0u]);
 686     CPPUNIT_ASSERT(_T('o') == s[1]);
 687     CPPUNIT_ASSERT(_T('o') == s[2]);
 688
 689     {
 690         // also check that the buffer initially contains the original string
 691         // contents
 692         wxStringBuffer buf(s, 10);
 693         CPPUNIT_ASSERT_EQUAL( _T('f'), buf[0] );
 694         CPPUNIT_ASSERT_EQUAL( _T('o'), buf[1] );
 695         CPPUNIT_ASSERT_EQUAL( _T('o'), buf[2] );
 696         CPPUNIT_ASSERT_EQUAL( _T('\0'), buf[3] );
 697     }
 698
 699     {
 700         wxStringBufferLength buf(s, 10);
 701         CPPUNIT_ASSERT_EQUAL( _T('f'), buf[0] );
 702         CPPUNIT_ASSERT_EQUAL( _T('o'), buf[1] );
 703         CPPUNIT_ASSERT_EQUAL( _T('o'), buf[2] );
 704         CPPUNIT_ASSERT_EQUAL( _T('\0'), buf[3] );
 705
 706         // and check that it can be used to write only the specified number of
 707         // characters to the string
 708         wxStrcpy(buf, _T("barrbaz"));
 709         buf.SetLength(4);
 710     }
 711
 712     CPPUNIT_ASSERT_EQUAL(4, s.length());
 713     CPPUNIT_ASSERT(_T('b') == s[0u]);
 714     CPPUNIT_ASSERT(_T('a') == s[1]);
 715     CPPUNIT_ASSERT(_T('r') == s[2]);
 716     CPPUNIT_ASSERT(_T('r') == s[3]);
 717
 718     // check that creating buffer of length smaller than string works, i.e. at
 719     // least doesn't crash (it would if we naively copied the entire original
 720     // string contents in the buffer)
 721     *wxStringBuffer(s, 1) = '!';
 722 }
 723
 724 void StringTestCase::UTF8Buf()
 725 {
 726 #if wxUSE_UNICODE
 727     // "czech" in Czech ("cestina"):
 728     static const char *textUTF8 = "\304\215e\305\241tina";
 729     static const wchar_t textUTF16[] = {0x10D, 0x65, 0x161, 0x74, 0x69, 0x6E, 0x61, 0};
 730
 731     wxString s;
 732     wxStrcpy(wxUTF8StringBuffer(s, 9), textUTF8);
 733     CPPUNIT_ASSERT(s == textUTF16);
 734
 735     {
 736         wxUTF8StringBufferLength buf(s, 20);
 737         wxStrcpy(buf, textUTF8);
 738         buf.SetLength(5);
 739     }
 740     CPPUNIT_ASSERT(s == wxString(textUTF16, 0, 3));
 741 #endif // wxUSE_UNICODE
 742 }
 743
 744
 745
 746 void StringTestCase::CStrDataTernaryOperator()
 747 {
 748     DoCStrDataTernaryOperator(true);
 749     DoCStrDataTernaryOperator(false);
 750 }
 751
 752 template<typename T> bool CheckStr(const wxString& expected, T s)
 753 {
 754     return expected == wxString(s);
 755 }
 756
 757 void StringTestCase::DoCStrDataTernaryOperator(bool cond)
 758 {
 759     // test compilation of wxCStrData when used with operator?: (the asserts
 760     // are not very important, we're testing if the code compiles at all):
 761
 762     wxString s("foo");
 763
 764     const wchar_t *wcStr = L"foo";
 765     CPPUNIT_ASSERT( CheckStr(s, (cond ? s.c_str() : wcStr)) );
 766     CPPUNIT_ASSERT( CheckStr(s, (cond ? s.c_str() : L"foo")) );
 767     CPPUNIT_ASSERT( CheckStr(s, (cond ? wcStr : s.c_str())) );
 768     CPPUNIT_ASSERT( CheckStr(s, (cond ? L"foo" : s.c_str())) );
 769
 770     const char *mbStr = "foo";
 771     CPPUNIT_ASSERT( CheckStr(s, (cond ? s.c_str() : mbStr)) );
 772     CPPUNIT_ASSERT( CheckStr(s, (cond ? s.c_str() : "foo")) );
 773     CPPUNIT_ASSERT( CheckStr(s, (cond ? mbStr : s.c_str())) );
 774     CPPUNIT_ASSERT( CheckStr(s, (cond ? "foo" : s.c_str())) );
 775
 776     wxString empty("");
 777     CPPUNIT_ASSERT( CheckStr(empty, (cond ? empty.c_str() : wxEmptyString)) );
 778     CPPUNIT_ASSERT( CheckStr(empty, (cond ? wxEmptyString : empty.c_str())) );
 779 }
 780
 781 void StringTestCase::CStrDataOperators()
 782 {
 783     wxString s("hello");
 784
 785     CPPUNIT_ASSERT( s.c_str()[0] == 'h' );
 786     CPPUNIT_ASSERT( s.c_str()[1] == 'e' );
 787     CPPUNIT_ASSERT( s.c_str()[5] == '\0' );
 788
 789     CPPUNIT_ASSERT( *s.c_str() == 'h' );
 790     CPPUNIT_ASSERT( *(s.c_str() + 2) == 'l' );
 791     CPPUNIT_ASSERT( *(s.c_str() + 5) == '\0' );
 792 }
 793
 794 bool CheckStrChar(const wxString& expected, char *s)
 795     { return CheckStr(expected, s); }
 796 bool CheckStrWChar(const wxString& expected, wchar_t *s)
 797     { return CheckStr(expected, s); }
 798 bool CheckStrConstChar(const wxString& expected, const char *s)
 799     { return CheckStr(expected, s); }
 800 bool CheckStrConstWChar(const wxString& expected, const wchar_t *s)
 801     { return CheckStr(expected, s); }
 802
 803 void StringTestCase::CStrDataImplicitConversion()
 804 {
 805     wxString s("foo");
 806
 807     CPPUNIT_ASSERT( CheckStrConstWChar(s, s.c_str()) );
 808     CPPUNIT_ASSERT( CheckStrConstChar(s, s.c_str()) );
 809
 810     // implicit conversion of wxString is not available in STL build
 811 #if !wxUSE_STL
 812     CPPUNIT_ASSERT( CheckStrConstWChar(s, s) );
 813     CPPUNIT_ASSERT( CheckStrConstChar(s, s) );
 814 #endif
 815 }
 816
 817 void StringTestCase::ExplicitConversion()
 818 {
 819     wxString s("foo");
 820
 821     CPPUNIT_ASSERT( CheckStr(s, s.mb_str()) );
 822     CPPUNIT_ASSERT( CheckStrConstChar(s, s.mb_str()) );
 823     CPPUNIT_ASSERT( CheckStrChar(s, s.char_str()) );
 824
 825     CPPUNIT_ASSERT( CheckStr(s, s.wc_str()) );
 826     CPPUNIT_ASSERT( CheckStrConstWChar(s, s.wc_str()) );
 827     CPPUNIT_ASSERT( CheckStrWChar(s, s.wchar_str()) );
 828 }